2. Quantities a, u and are a scalar, vector, and two-tensor field respectively (i.e. they are...

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2. Quantities a, u and are a scalar, vector, and two-tensor field respectively (i.e. they are functions of position x1, x2, x3). Use indicial notation to prove the following identities. Explain your derivation in detail. . a) (W) = (V W) + W (V) = . b) Vx (au) avu-u Va 2. Quantities a, u and are a scalar, vector, and two-tensor field respectively (i.e. they are functions of position x1, x2, x3). Use indicial notation to prove the following identities. Explain your derivation in detail. . a) (W) = (V W) + W (V) = . b) Vx (au) avu-u Va